question_answer

  A white coloured powder is used by the   doctors for supporting fractured bones. (a) Write chemical name of this powder. (b) Write chemical formula. (c) Write chemical equation, when this white powder is mixed with water.

Answer:

                  Baking powder is a mixture of baking soda  and an edible acid like tartaric acid. Baking powder on heating produces carbon dioxide gas which causes bread or cake to rise making it soft and spongy.                               (2)